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 ###Instrução: Quais são os pontos mínimos para gols inferiores a 13?
 ###Tabelas: CREATE TABLE allowable_tackle_types (allowable_tackle_types_id AUTO_INCREMENT PRIMARY KEY, sliding tackle VARCHAR, spear tackle VARCHAR, dump tackle VARCHAR, body tackle VARCHAR, ankle tap VARCHAR, diving tackle VARCHAR, bumping/blocking VARCHAR, shoulder charge VARCHAR, steal/intercept ball VARCHAR, Chicken wing VARCHAR) CREATE TABLE round_nine (round_nine_id AUTO_INCREMENT PRIMARY KEY, Pick INT, Player VARCHAR, Position VARCHAR, Nationality VARCHAR, NHL team VARCHAR, College/junior/club team VARCHAR) CREATE TABLE 2013_list (2013_list_id AUTO_INCREMENT PRIMARY KEY, Rank VARCHAR, Company VARCHAR, Headquarters VARCHAR, Industry VARCHAR, Sales (billion $) INT, Profits (billion $) INT, Assets (billion $) INT, Market Value (billion $) INT) CREATE TABLE promotion_playoff (promotion_playoff_id AUTO_INCREMENT PRIMARY KEY, Position INT, Club VARCHAR, Played INT, Points INT, Wins INT, Draws INT, Losses INT, Goals for INT, Goals against INT, Goal Difference INT) CREATE TABLE closed_and_aborted_television_providers (closed_and_aborted_television_providers_id AUTO_INCREMENT PRIMARY KEY, Provider VARCHAR, Years VARCHAR, Free or pay VARCHAR, No. of channels VARCHAR, Colour VARCHAR, Digital VARCHAR, Transmission VARCHAR)  
SELECT MIN Points FROM promotion_playoff WHERE Goals for < 13